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DITCH 5-D8 <br />SEDCAD+ CHANNEL UTILITY <br />----------------------- <br />• <br />VEGETATED CHANNEL <br />T <br />* * <br />* Z* <br />* * D <br />* b <br />Discharge = 3.08 cfs Depth (D) = 0.96 feet <br />Bottom (b) = 4.00 feet Top width (T) = 9.76 feet <br />Side slopes (Z) = 3.0:1 Velocity = 0.46 ft/sec <br />Bed Slope = 0.200 ~ Hydraulic Radius = 0.66 feet <br />Manning's n = 0.109 <br />J <br />• <br />Exhibit 18 Revised 12/8/89 <br />-219- <br />